<template>
  <div class="register">
    <div class="register-box">
      <div class="register-introduce">
        <div class="introduce-title">
          <img class="logo" src="@/assets/logo/logo.png" />
          <h3 class="title">{{ title }}</h3>
        </div>
        <div class="introduce-tip">
          <img class="tip" src="@/assets/images/login-intro.png" />
          <span>开箱即用的大型中后台管理系统</span>
        </div>
      </div>
      <el-form ref="registerRef" :model="registerForm" :rules="registerRules" class="register-form">
        <h3 class="title">注册</h3>
        <el-form-item prop="username">
          <el-input 
            v-model="registerForm.username" 
            type="text" 
            size="large" 
            auto-complete="off" 
            placeholder="账号"
          >
            <template #prefix><svg-icon icon-class="user" class="el-input__icon input-icon" /></template>
          </el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input
            v-model="registerForm.password"
            type="password"
            size="large" 
            auto-complete="off"
            placeholder="密码"
            @keyup.enter="handleRegister"
          >
            <template #prefix><svg-icon icon-class="password" class="el-input__icon input-icon" /></template>
          </el-input>
        </el-form-item>
        <el-form-item prop="confirmPassword">
          <el-input
            v-model="registerForm.confirmPassword"
            type="password"
            size="large" 
            auto-complete="off"
            placeholder="确认密码"
            @keyup.enter="handleRegister"
          >
            <template #prefix><svg-icon icon-class="password" class="el-input__icon input-icon" /></template>
          </el-input>
        </el-form-item>
        <el-form-item prop="code" v-if="captchaEnabled">
          <el-input
            size="large" 
            v-model="registerForm.code"
            auto-complete="off"
            placeholder="验证码"
            style="width: 63%"
            @keyup.enter="handleRegister"
          >
            <template #prefix><svg-icon icon-class="validCode" class="el-input__icon input-icon" /></template>
          </el-input>
          <div class="register-code">
            <img :src="codeUrl" @click="getCode" class="register-code-img"/>
          </div>
        </el-form-item>
        <el-form-item style="width:100%;">
          <el-button
            :loading="loading"
            size="large" 
            type="primary"
            style="width:100%;"
            @click.prevent="handleRegister"
          >
            <span v-if="!loading">注 册</span>
            <span v-else>注 册 中...</span>
          </el-button>
          <div style="float: right;">
            <router-link class="link-type" :to="'/login'">使用已有账户登录</router-link>
          </div>
        </el-form-item>
      </el-form>
    </div>
    <!--  底部  -->
    <div class="el-register-footer">
      <span>Copyright © 2018-2025 ruoyi.vip All Rights Reserved.</span>
    </div>
  </div>
</template>

<script setup>
import { ElMessageBox } from "element-plus"
import { getCodeImg, register } from "@/api/login"

const title = import.meta.env.VITE_APP_TITLE
const router = useRouter()
const { proxy } = getCurrentInstance()

const registerForm = ref({
  username: "",
  password: "",
  confirmPassword: "",
  code: "",
  uuid: ""
})

const equalToPassword = (rule, value, callback) => {
  if (registerForm.value.password !== value) {
    callback(new Error("两次输入的密码不一致"))
  } else {
    callback()
  }
}

const registerRules = {
  username: [
    { required: true, trigger: "blur", message: "请输入您的账号" },
    { min: 2, max: 20, message: "用户账号长度必须介于 2 和 20 之间", trigger: "blur" }
  ],
  password: [
    { required: true, trigger: "blur", message: "请输入您的密码" },
    { min: 5, max: 20, message: "用户密码长度必须介于 5 和 20 之间", trigger: "blur" },
    { pattern: /^[^<>"'|\\]+$/, message: "不能包含非法字符：< > \" ' \\\ |", trigger: "blur" }
  ],
  confirmPassword: [
    { required: true, trigger: "blur", message: "请再次输入您的密码" },
    { required: true, validator: equalToPassword, trigger: "blur" }
  ],
  code: [{ required: true, trigger: "change", message: "请输入验证码" }]
}

const codeUrl = ref("")
const loading = ref(false)
const captchaEnabled = ref(true)

function handleRegister() {
  proxy.$refs.registerRef.validate(valid => {
    if (valid) {
      loading.value = true
      register(registerForm.value).then(res => {
        const username = registerForm.value.username
        ElMessageBox.alert("<font color='red'>恭喜你，您的账号 " + username + " 注册成功！</font>", "系统提示", {
          dangerouslyUseHTMLString: true,
          type: "success",
        }).then(() => {
          router.push("/login")
        }).catch(() => {})
      }).catch(() => {
        loading.value = false
        if (captchaEnabled) {
          getCode()
        }
      })
    }
  })
}

function getCode() {
  getCodeImg().then(res => {
    captchaEnabled.value = res.captchaEnabled === undefined ? true : res.captchaEnabled
    if (captchaEnabled.value) {
      codeUrl.value = "data:image/gif;base64," + res.img
      registerForm.value.uuid = res.uuid
    }
  })
}

getCode()
</script>

<style lang='scss' scoped>
.register {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  position: relative;
  background-color: var(--el-bg-color-overlay);
  &::before  {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 394px;
    height: 468px;
    background: url('../assets/images/login-left.png') no-repeat;
    background-size: cover;
  }
  &::after {
    content: '';
    position: absolute;
    right: 0;
    bottom: 0;
    width: 487px;
    height: 412px;
    background: url('../assets/images/login-right.png') no-repeat;
    background-size: cover;
  }
  .register-box{
    display: flex;
    border-radius: 6px;
    background: var(--el-bg-color);
    z-index: 1;
    box-shadow: 0px 20px 80px 0px rgba(0, 0, 0, 0.3);
  }
}
.register-introduce{
  width: 400px;
  background-color: var(--el-color-info-light-9);
  padding: 25px;
  display: flex;
  flex-direction: column;
  .introduce-title{
    display: flex;
    align-items: center;
    gap: 20px;
    .logo{
      width: 40px;
      height: 40px;
    }
    .title{
      color: var(--el-text-color-primary);
    }
  }
  .introduce-tip{
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 25px;
    .tip{
      width: 160px;
      height: 160px;
      animation: float 3s linear 0s infinite;
    }
  }
}
.register-form {
  border-radius: 6px;
  background: #ffffff;
  width: 400px;
  padding: 25px 25px 5px 25px;
  .title {
    margin-bottom: 30px;
    color: var(--navbar-text);
  }
  .el-input {
    height: 40px;
    input {
      height: 40px;
    }
  }
  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 0px;
  }
}
.register-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}
.register-code {
  width: 33%;
  height: 40px;
  float: right;
  img {
    cursor: pointer;
    vertical-align: middle;
  }
}
.el-register-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-family: Arial;
  font-size: 12px;
  letter-spacing: 1px;
}
.register-code-img {
  height: 40px;
  padding-left: 12px;
}
@keyframes float {
  0% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-30px);
  }
  100% {
    transform: translateY(0);
  }
}
/* 移动端适配 */
@media (max-width: 800px) {
  .login-introduce {
    display: none !important;
  }
}
</style>
